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| Tender ID | 4590794 |
|---|---|
| Organisation Name | Military Engineer Services |
| Tender Brief | Corrigendum : Special Repair Of E/m Infrastructure Of Smq Area Of Hq Wac At Subroto Park Under Ge (af) Subroto Park, Delhi Cantt-10 |
| Last Date For Submission | 3rd Jul, 2026 |
| Opening Date | 10 Jul, 2026 |
| Document Cost | 500.00 |
|---|---|
| EMD | 77280.00 |
| Estimated Cost | 3864000.00 |
| City | Delhi |
|---|---|
| State | Delhi |
| # | Item | Qty | Units |
|---|---|---|---|
| 1 | Taking down old MS cross arms, supports, etc from four pole structure by removing nuts, bolts, etc complete all as specified and directed. | 4.00 | Qtl |
| 2 | Taking out old HT cables carefully after disconnecting the cable from two pole/ four pole structure for reconnecting the same in RMU /Transformer complete all as specified and directed. | 8.00 | Each Job |
| 3 | M&L for dismantling old four pole structure and taking down the existing transformer carefully and safely with the help of crane, chainpully, etc. & installation of the transformer on newly constructed PCC platform with roller & stopper, etc removing of old poles outside Subroto Park complete all as specified and directed. (Note:- Two Nos. of four pole to be removed and only one number of transformer to be removed and installed on new PCC platform). | 2.00 | Each Job |
| 4 | Supply, installation, testing & commissioning of 11 KV outdoor type (IP54) RMU dust and vermin proof, with locking arrangement, duly powder coated, totally enclosed, free standing floor mounting type, compartment based type one side-extendable 3-way Ring Main Unit floor mounted with internal copper bus bars, consisting of 3 nos. fixed type motorised Vacuum Circuit Breaker (2 Incoming & 1 Outgoing) with additional BUS PT metering module. All live parts, bus bars,VCBs connections of RMU should be enclosed in SF6 insulated stainless steel enclosure (2 mm thick, SS304 grade) one tank to avoid multiple interconnections & sealed for life robotically welded non magnetic having IP67 degree of protection filled with SF6 gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200.The unit shall have front cable entry for ease of installation and shall have site replaceable bushings for ease of troubleshooting during breakdown. RMU should be complete with all accessories such as Terminal kits suitable for 1Cx300sqmm Cable, VPIS, cable supports, all front cable terminations, mechanical indications for Load break switch ON/OFF, Manometer as per with IEC standards 62271-200, 60056, 60129, 60265, 60298, 60420, 60529 and 60694. Altitude of installation up to 1000m as per IEC 60120. Bushings bolted type top mounted outside the tank for connection of external bus bar .The unit shall include the following with all necessary standard fitting required at site. RMU, Breaker & VI Shall be of same make for easy maintenance. Make of RMU: ABB, SIEMENS, SCHNEIDER INFRA. (RMU shall be manufactured by OEM itself & not by the franchise / license partner ) Each VACUUM CIRCUIT BREAKER of RMU 630A VCB module for making & breaking of fault current alongwith Earth Switch of full making capacity-1 Nos. Motor operated 630 A Vacuum circuit breaker having spring stored mechanism. Three position disconnector/earthing switch downstream vacuum circuit-breaker. Three position single spring mechanism for disconnector/earthing switch Live Cable LED Indicators thru Capacitor Voltage Dividers mounted on the bushings. Short time breaking current - 21KA/ 3 sec Making Capacity - 52.5KA | 1.00 | Each |
| 5 | Ser No 4.00 contd... VCB must confirm operating sequence 0-0.3sec-CO-3Min-CO and suitable for 10000 mechanical operation. Power frequency withstand voltage - 38KV Impulse withstand voltage - 95KV Nominal operating gas pressure - 1.4 Bar abs. Front cover mechanism - IP2X Electrical and mechanical interlock to keep always one incomer ON & another Incomer OFF. Green(ON)/Red(OFF) push buttons to operated VCB. 3O/C + 1E/F Self powered numerical protection relay with Low and High set for Over current and Earth Fault. Auxiliary relays for OTI,WTI,Bucholz -Alarm & Trip for Outgoing VCBs. 1 x Lockout relays (86) for Transformer protection scheme.. Multifunction meter. RMU Gas Tank and cable chamber should be tested for an internal arc fault of 21kA for 1 sec with AFLR classification Resin cast ring core protection CT on cables 100-50/1A, 5P10, 2.5 VA - 3 Nos Resin cast ring core metering CT on cables 100-50/1A, Cl-1.0, 2.5 VA - 3 Nos Mechanical ON/OFF/EARTH/Spring charge Indication Cable boxes should be Arc Proof interlocked with respective Earthing Switches. Bus Connected equipment / metering cubicle consisting of following 3 nos. Single Phase PTs - 11kV/V3/110/V3 ,Cl-1.0 ,20VA 1 nos. Single Phase Aux PTs - 11kV/230V ,500VA Space Heater with thermostat Terminal Blocks Battery/Charger-Minimum 12AH Capacity, 24V DC . Input Voltage of 230VAC from Aux PT Hooter. Note :- The quoted rate shall include PCC platform as per size of RMU & as per design submitted by the manufacturer. |
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